From 0d75ea874b8c360e881aca5bc5b83b84b79f95bd Mon Sep 17 00:00:00 2001
From: wwhai <cnwwhai@gmail.com>
Date: Thu, 18 Mar 2021 11:55:11 +0800
Subject: [PATCH] fix(rule-engine): add 'undefined' type for create time

---
 apps/emqx_rule_engine/include/rule_engine.hrl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/emqx_rule_engine/include/rule_engine.hrl b/apps/emqx_rule_engine/include/rule_engine.hrl
index ccc2685e1..a7fe9c60a 100644
--- a/apps/emqx_rule_engine/include/rule_engine.hrl
+++ b/apps/emqx_rule_engine/include/rule_engine.hrl
@@ -87,7 +87,7 @@
         { id :: resource_id()
         , type :: resource_type_name()
         , config :: #{} %% the configs got from API for initializing resource
-        , created_at :: integer() %% epoch in millisecond precision
+        , created_at :: integer() | undefined %% epoch in millisecond precision
         , description :: binary()
         }).